Advice: D'Backs general manager Dave Stewart has denied Heyman's source, for what that's worth. Hill was very good in 2012 and 2013, but he had a rough 2014 season and is owed a total of $24 million in 2015-2016. These aren't exactly blockbuster trade chips for the Diamondbacks, who are rebuilding under new chief baseball officer Tony La Russa.